Fire Hose coupling is a  on the end of a  to connect (or Couple) it with another hose or with a  or a hose appliance, such as an . It is usually made of , , ,  or . 

Specifications 1.Storz coupling 
2.Made of aluminum 
3.Many sizes avaiable:1"1-1/2" 2" 2-1/2" 3" 4" 
4.Packing by carton 

Storz Coupling

Storz Coupling(Spool Adapters,fire hose coupling)

 

Standard:

DIN standard

 

Sizes:

1" to 4"

 

Parts:

Hose tail

Female adaptor

Male adaptor

Reducers(Swivel)

Reducers(Fixed)

Blank cap & Chain

 

Body material:

Aluminum

 

Thread type:

BSP

 

Sealing:

NBR